Alloy 20 Round Bar Manufacturer, Supplier & Exporter in India
Alloy 20 Round Bars supplied by Astromet Steel & Engineering are nickel-iron-chromium alloys developed for superior resistance to sulfuric acid. The alloy offers excellent corrosion resistance in aggressive chemical environments. It maintains structural integrity under both oxidizing and reducing conditions. This makes it a preferred choice for chemical processing industries.
Alloy 20 Round Bars exhibit excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. The copper and molybdenum content enhances its performance in acidic environments. It also provides good mechanical strength at elevated temperatures. The alloy is easily weldable and formable.
Astromet Steel & Engineering manufactures Alloy 20 Round Bars under strict quality controls. These bars are available in hot rolled, cold drawn, and solution annealed conditions. Dimensional accuracy and surface finish are maintained as per international standards. Custom sizes can be supplied on demand.
The alloy provides long service life with minimal maintenance. Its excellent metallurgical stability ensures consistent performance. Alloy 20 Round Bars are cost-effective for corrosive environments. They are widely trusted across chemical and pharmaceutical sectors.
Alloy 20 Round Bar Specifications
| Material | Alloy 20 |
| Length | 2 meters to 7.5 meters ( 8 feet to 24 feet), or Custom Length as per Requirement |
| Size range | 12 mm – 46 mm (1/2 inch- 1 ¾ inch) |
| Heat Treatment | Annealed, Solution Annealed |
| Size Tolerances | h10 and h11 |
| Surface Finish | Cold (bright) drawn, smooth turned, hot rolled, centreless ground, peeled, Rough Turned, hot rolled annealed, Bright, slit rolled edge, Polish, Grinding, Centreless Ground & Black |
| Tolerance | H8, H10, H9, H11, H13K9, H12, K10, K12 K11 or as per clients’ requirements |
|---|---|
| Chamfering | Available in 30°, 45° & 60° through fully automatic, both-end chamfering machine |
| Crack Test | Magnetic Particle Inspection (MPI) |
| Available Forms | Threaded, Profiles, Rod, Blocks, Round, Channel, Round Rod, Half Round, Triangle, Hollow, Precision Ground, Rectangle, T-Bar, Rings, Ingot, Billet, Forging etc. |
Alloy 20 Round Bar Equivalent Grades
| STANDARD | AFNOR | UNS | WERKSTOFF NR. | EN |
|---|---|---|---|---|
| Alloy 20 | Z2NCUD31-20AZ | N08020 | 2.4660 | NiCr20CuMo |
Alloy 20 Round Bar Chemical Composition
| Grade | C | Mo | Si | S | Cu | Fe | Ni | Mn | Cr |
|---|---|---|---|---|---|---|---|---|---|
| Alloy 20 | 0.02 max | 2.0-3.0 | 0.7 max | 0.005 max | 3.0-4.0 | bal | 32 – 38 | 1.0-2.0 | 19 – 21 |
Alloy 20 Round Bar Mechanical Properties
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|
| 8.1 g/cm3 | 1443 °C (2430 °F) | Psi – 80000 , MPa – 551 | Psi – 35000 , MPa – 241 | 30 % |
Why Choose Astromet Steel & Engineering?
This advanced resistance to intergranular corrosion because of the
- Consistent quality & competitive pricing
- Ready stock & custom fabrication
- International standard compliance
- On-time delivery worldwide
- Complete documentation & certification
Alloy 20 Round Bar Usage & Applications
Used in chemical processing equipment, heat exchangers, reactors, storage tanks, pharmaceutical plants, and food processing industries.